—Where was your brother at this time last night
—He was writing an e-mail（）I was watching TV at home.

单项选择题—Can you tell me （） —By doing more speaking.

A. how I will improve my English
B. which way can I choose
C. how do I deal with my English
D. what's wrong with my English

单项选择题I（）my clothes, and the phone rang.

A. wash
B. washed
C. am washing
D. was washing

单项选择题A:（）you（）your homework yet B: Yes. I （） it a moment ago.

A. Did; do; finished
B. Have; done; have finished
C. Have; done; finished
D. will; do; finish

单项选择题A: Why not go to see the dolphin show with me B: Because I（）it twice, let's go home.

A. saw
B. will see
C. see
D. have seen

单项选择题There are lots of things（）I need to prepare before the trip.

A. who
B. that
C. whom
D. whose